228999913200 has 180 divisors, whose sum is σ = 794893310328. Its totient is φ = 61051276800.

The previous prime is 228999913189. The next prime is 228999913231. The reversal of 228999913200 is 2319999822.

228999913200 is a `hidden beast` number, since 228 + 9 + 9 + 9 + 91 + 320 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (180).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 26387262 + ... + 26395938.

Almost surely, 2^228999913200 is an apocalyptic number.

228999913200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228999913200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (397446655164).

228999913200 is an abundant number, since it is smaller than the sum of its proper divisors (565893397128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228999913200 is a wasteful number, since it uses less digits than its factorization.

228999913200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16032 (or 16018 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 54.

The spelling of 228999913200 in words is "two hundred twenty-eight billion, nine hundred ninety-nine million, nine hundred thirteen thousand, two hundred".